Presumably (a) the truth and (b) convincing evidence that you aren't going to drive while stoned.
If that's the only thing that's keeping you from getting reinstated, and a new opinion will override the prior opinion, it's an option for you to consider.Quoting nbr26315
I don't know what issues you raised during your prosecution, whether you went to trial or were convicted by plea, or what issues you raised on appeal; I suggest discussing the possibility of seeking post-conviction relief with the lawyer who handled your appeal.

